<template>
  <div class="login-container">
    <div class="logo" />
    <div class="form">
      <h1>登录</h1>
      <el-card shadow="never" class="login-card">
        <!--
        [目标]：添加表单校验规则
        [逻辑]：
        el-form :model 提供数据 ：rules 提供校验规则  ref 选中要操作的dom
        el-form-item prop 要校验的属性
        el-input v-model  双向绑定要校验的数据
        -->
        <!--登录表单-->
        <el-form ref="loginForm" :model="formData" :rules="rulesForm">
          <el-form-item prop="mobile">
            <el-input v-model="formData.mobile" placeholder="请输入用户名" />
          </el-form-item>
          <el-form-item prop="password">
            <el-input v-model="formData.password" placeholder="请输入密码" type="password" />
          </el-form-item>
          <el-form-item prop="isSelected">
            <el-checkbox v-model="formData.isSelected">用户平台使用协议</el-checkbox>
          </el-form-item>
          <el-button type="primary" style="width:350px" @click="loginFn">登录</el-button>
        </el-form>
      </el-card>
    </div>
  </div>
</template>
<script>

export default {
  name: 'Login',
  data() {
    return {
      formData: {
        //  '13800000002'
        mobile: process.env.NODE_ENV === 'development' ? '13800000002' : '',
        password: process.env.NODE_ENV === 'development' ? 'hm#qd@23!' : '',
        isSelected: process.env.NODE_ENV === 'development'
      },
      rulesForm: {
        mobile: [
          // 非空校验 trigger 表示触发时机
          { required: true, message: '用户名不能为空', trigger: 'blur' },
          // 格式验证 用户名范围为 3~ 10
          { min: 3, max: 11, message: '用户名范围为 3~ 10', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '密码不能为空', trigger: 'blur' },
          // 要求 以a-zA-Z0-9开头,6-18位
          // { pattern: /^[a-zA-Z0-9]{6,18}$/, message: '密码格式不正确', trigger: 'blur' },
          { min: 3, max: 11, message: '密码范围为 3~ 10', trigger: 'blur' }

        ],
        // 要就必须选中
        // required只能检查 null "" undefined
        isSelected: [{
          validator: (rule, value, callback) => {
            // rule规则
            // value检查的数据 true/false
            // callback 函数 执行这个函数
            // 成功执行callback 失败也执行callback(错误对象 new Error(错误信息))
            value ? callback() : callback(new Error('没有勾选用户平台协议'))
          }
        }]
      }
    }
  },
  methods: {
    // 登录
    async loginFn() {
      // 方式一
      // this.$refs.loginForm.validate((value) => {
      //   if (value) {
      //     alert('登录成功')
      //     this.$refs.loginForm.resetFields()
      //   } else {
      //     alert('登录失败')
      //     console.log('error submit!!')
      //     return false
      //   }
      // })

      // 方式二

      await this.$refs.loginForm.validate()
      console.log('登录成功')
      await this.$store.dispatch('user/login', this.formData)
      this.$router.push('/')
    }
  }
}
</script>
<style lang="scss">
.login-container {
  display: flex;
  align-items: stretch;
  height: 100vh;

  .logo {
    flex: 3;
    background: rgba(38, 72, 176) url(../../assets/common/login_back.png) no-repeat center / cover;
    border-top-right-radius: 60px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    padding: 0 100px;

    .icon {
      background: url(../../assets/common/logo.png) no-repeat 70px center / contain;
      width: 300px;
      height: 50px;
      margin-bottom: 50px;
    }

    p {
      color: #fff;
      font-size: 18px;
      margin-top: 20px;
      width: 300px;
      text-align: center;
    }
  }

  .form {
    flex: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-left: 176px;

    .el-card {
      border: none;
      padding: 0;
    }

    h1 {
      padding-left: 20px;
      font-size: 24px;
    }

    .el-input {
      width: 350px;
      height: 44px;

      .el-input__inner {
        background: #f4f5fb;
      }
    }

    .el-checkbox {
      color: #606266;
    }
  }
}
</style>
